<script setup>
// 引入 Element Plus 中的用户、锁图标
import {User, Lock} from '@element-plus/icons-vue'
import {login} from "@/api/admin/user.js";
import {reactive, ref} from 'vue'
import {useRouter} from "vue-router";
import {showMessage} from "@/composables/util.js";
import {setToken} from "@/composables/cookie.js";
import { useUserStore } from '@/stores/user'


// 定义响应式的表单对象
const form = reactive({
  username: '',
  password: ''
})
const userRoute = useRouter();

// 表单验证规则
const rules = {
  username: [
    {
      required: true,
      message: '用户名不能为空',
      trigger: 'blur'
    }
  ],
  password: [
    {
      required: true,
      message: '密码不能为空',
      trigger: 'blur',
    },
  ]
}

const loading = ref(false);

const userStore = useUserStore();

// 登录
const onSubmit = () => {
  console.log('登录')
  loading.value = true;
  login(form.username, form.password).then((res) => {
    console.log(res)
    if (res.code === 0) {
      // 存储cookie
      const token = res.data.token;
      setToken(token);
      userStore.setUserInfo();
      // 提示登录成功
      showMessage('登录成功')
      userRoute.push('/admin/index')
    } else {
      const errorMessage = res.message;
      // 提示消息
      showMessage(errorMessage, "error")
    }
  }).finally(() => {
    loading.value = false;
  })
}

</script>

<template>
  <div class="grid grid-cols-2 h-screen">
    <!-- 默认占两列，order 用于指定排列顺序，md 用于适配非移动端（PC 端） -->
    <div
        class="col-span-2 order-2 p-10 md:col-span-1 md:order-1 bg-slate-900 animate__animated animate__bounceInLeft animate__fast">
      <!-- 指定为 flex 布局，并设置为屏幕垂直水平居中，高度为 100% -->
      <div class="flex justify-center items-center h-full flex-col">
        <h2 class="font-bold text-4xl mb-7 text-white">Weblog 博客登录</h2>
        <p class="text-white">一款由 Spring Boot + Mybaits Plus + Vue 3.2 + Vite 4 开发的前后端分离博客。</p>
        <!-- 指定图片宽度为父级元素的 1/2 -->
        <img src="@/assets/developer.png" class="w-1/2">
      </div>
    </div>
    <div class="col-span-2 order-1 md:col-span-1 md:order-2 bg-white">
      <!-- flex-col 用于指定子元素垂直排列 -->
      <div class="flex justify-center items-center h-full flex-col animate__animated animate__bounceInRight animate__fast
">
        <!-- 大标题，设置字体粗细、大小、下边距 -->
        <h1 class="font-bold text-4xl mb-5">欢迎回来</h1>
        <!-- 设置 flex 布局，内容垂直水平居中，文字颜色，以及子内容水平方向 x 轴间距 -->
        <div class="flex items-center justify-center mb-7 text-gray-400 space-x-2">
          <!-- 左边横线，高度为 1px, 宽度为 16，背景色设置 -->
          <span class="h-[1px] w-16 bg-gray-200"></span>
          <span>账号密码登录</span>
          <!-- 右边横线 -->
          <span class="h-[1px] w-16 bg-gray-200"></span>
        </div>
        <!-- 引入 Element Plus 表单组件，移动端设置宽度为 5/6，PC 端设置为 2/5 -->
        <el-form class="w-5/6 md:w-2/5" :rules="rules" :model="form">
          <el-form-item prop="username">
            <!-- 输入框组件 -->
            <el-input size="large" placeholder="请输入用户名" :prefix-icon="User" clearable v-model="form.username"/>
          </el-form-item>
          <el-form-item prop="password">
            <!-- 密码框组件 -->
            <el-input size="large" type="password" placeholder="请输入用户名" :prefix-icon="Lock" clearable show-password
                      v-model="form.password"/>
          </el-form-item>
          <el-form-item>
            <!-- 登录按钮，宽度设置为 100% -->
            <el-button class="w-full" size="large" type="primary" :loading="loading" @click="onSubmit">登录</el-button>
          </el-form-item>
        </el-form>

      </div>
    </div>
  </div>
</template>

<style scoped>

</style>